Answer:
Electrons are arranged in layers
Explanation:An atom is solid and the Nucleus is at the center of an atom+ it isn't possible for electrons to form layers
an adjective describing the species
Answer:
Muscle fatigue is often reported by patients with Marfan syndrome although myopathy is not classically considered a component of Marfan syndrome [1, 2, 4, 6, 7]. In addition to apparent muscle underdevelopment, some patients report myalgia or cramps suggesting skeletal muscle involvement.